1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (c) 2015 Google, Inc
4 * (C) Copyright 2015
5 * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
6 * (C) Copyright 2023 Dzmitry Sankouski <dsankouski@gmail.com>
7 */
8
9 #include <charset.h>
10 #include <dm.h>
11 #include <video.h>
12 #include <video_console.h>
13 #include <video_font.h> /* Get font data, width and height */
14 #include "vidconsole_internal.h"
15
console_set_row(struct udevice * dev,uint row,int clr)16 static int console_set_row(struct udevice *dev, uint row, int clr)
17 {
18 struct video_priv *vid_priv = dev_get_uclass_priv(dev->parent);
19 struct console_simple_priv *priv = dev_get_priv(dev);
20 struct video_fontdata *fontdata = priv->fontdata;
21 void *line, *dst, *end;
22 int pixels = fontdata->height * vid_priv->xsize;
23 int ret;
24 int i;
25 int pbytes;
26
27 ret = check_bpix_support(vid_priv->bpix);
28 if (ret)
29 return ret;
30
31 line = vid_priv->fb + row * fontdata->height * vid_priv->line_length;
32 dst = line;
33 pbytes = VNBYTES(vid_priv->bpix);
34 for (i = 0; i < pixels; i++)
35 fill_pixel_and_goto_next(&dst, clr, pbytes, pbytes);
36 end = dst;
37
38 video_damage(dev->parent,
39 0,
40 fontdata->height * row,
41 vid_priv->xsize,
42 fontdata->height);
43
44 return 0;
45 }
46
console_move_rows(struct udevice * dev,uint rowdst,uint rowsrc,uint count)47 static int console_move_rows(struct udevice *dev, uint rowdst,
48 uint rowsrc, uint count)
49 {
50 struct video_priv *vid_priv = dev_get_uclass_priv(dev->parent);
51 struct console_simple_priv *priv = dev_get_priv(dev);
52 struct video_fontdata *fontdata = priv->fontdata;
53 void *dst;
54 void *src;
55 int size;
56
57 dst = vid_priv->fb + rowdst * fontdata->height * vid_priv->line_length;
58 src = vid_priv->fb + rowsrc * fontdata->height * vid_priv->line_length;
59 size = fontdata->height * vid_priv->line_length * count;
60 memmove(dst, src, size);
61
62 video_damage(dev->parent,
63 0,
64 fontdata->height * rowdst,
65 vid_priv->xsize,
66 fontdata->height * count);
67
68 return 0;
69 }
70
console_putc_xy(struct udevice * dev,uint x_frac,uint y,int cp)71 static int console_putc_xy(struct udevice *dev, uint x_frac, uint y, int cp)
72 {
73 struct vidconsole_priv *vc_priv = dev_get_uclass_priv(dev);
74 struct udevice *vid = dev->parent;
75 struct video_priv *vid_priv = dev_get_uclass_priv(vid);
76 struct console_simple_priv *priv = dev_get_priv(dev);
77 struct video_fontdata *fontdata = priv->fontdata;
78 int pbytes = VNBYTES(vid_priv->bpix);
79 int x, linenum, ret;
80 void *start, *line;
81 u8 ch = console_utf_to_cp437(cp);
82 uchar *pfont = fontdata->video_fontdata +
83 ch * fontdata->char_pixel_bytes;
84
85 if (x_frac + VID_TO_POS(vc_priv->x_charsize) > vc_priv->xsize_frac)
86 return -EAGAIN;
87 linenum = y;
88 x = VID_TO_PIXEL(x_frac);
89 start = vid_priv->fb + linenum * vid_priv->line_length + x * pbytes;
90 line = start;
91
92 if (x_frac + VID_TO_POS(vc_priv->x_charsize) > vc_priv->xsize_frac)
93 return -EAGAIN;
94
95 ret = fill_char_vertically(pfont, &line, vid_priv, fontdata, NORMAL_DIRECTION);
96 if (ret)
97 return ret;
98
99 video_damage(dev->parent,
100 x,
101 y,
102 fontdata->width,
103 fontdata->height);
104
105 return VID_TO_POS(fontdata->width);
106 }
107
console_set_cursor_visible(struct udevice * dev,bool visible,uint x,uint y,uint index)108 static int console_set_cursor_visible(struct udevice *dev, bool visible,
109 uint x, uint y, uint index)
110 {
111 struct vidconsole_priv *vc_priv = dev_get_uclass_priv(dev);
112 struct udevice *vid = dev->parent;
113 struct video_priv *vid_priv = dev_get_uclass_priv(vid);
114 struct console_simple_priv *priv = dev_get_priv(dev);
115 struct video_fontdata *fontdata = priv->fontdata;
116 int pbytes = VNBYTES(vid_priv->bpix);
117 void *start, *line;
118
119 /* for now, this is not used outside expo */
120 if (!IS_ENABLED(CONFIG_EXPO))
121 return -ENOSYS;
122
123 x += index * fontdata->width;
124 start = vid_priv->fb + y * vid_priv->line_length + x * pbytes;
125
126 /* place the cursor 1 pixel before the start of the next char */
127 x -= 1;
128
129 line = start;
130 draw_cursor_vertically(&line, vid_priv, vc_priv->y_charsize,
131 NORMAL_DIRECTION);
132
133 return 0;
134 }
135
136 struct vidconsole_ops console_ops = {
137 .putc_xy = console_putc_xy,
138 .move_rows = console_move_rows,
139 .set_row = console_set_row,
140 .get_font_size = console_simple_get_font_size,
141 .get_font = console_simple_get_font,
142 .select_font = console_simple_select_font,
143 .set_cursor_visible = console_set_cursor_visible,
144 };
145
146 U_BOOT_DRIVER(vidconsole_normal) = {
147 .name = "vidconsole0",
148 .id = UCLASS_VIDEO_CONSOLE,
149 .ops = &console_ops,
150 .probe = console_probe,
151 .priv_auto = sizeof(struct console_simple_priv),
152 };
153